Which of these represent the discretization indexing?(a) Φi,j+1, Φi,j-1(b) Φe, Φw(c) Φn+1, Φn-1(d) Φi+1,j, Φi-1,jI had been asked this question during an online interview.I'd like to ask this question from FVM in section Finite Volume Methods of Computational Fluid Dynamics

Which of these represent the discretization indexing?(a) Φi,j+1, Φi,

1.	Which of these represent the discretization indexing?(a) Φi,j+1, Φi,j-1(b) Φe, Φw(c) Φn+1, Φn-1(d) Φi+1,j, Φi-1,jI had been asked this question during an online interview.I'd like to ask this question from FVM in section Finite Volume Methods of Computational Fluid Dynamics
Answer» The correct option is (b) Φe, Φw The BEST I can explain: Discretization indexing is the type of indexing which is used locally while mentioning the NEIGHBOURS of an element. Here, Φe is the EASTERN node; Φw is the western node; Φn is the northern node; Φs is the SOUTHERN node.

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